[tz] Add new timezone for Hanoi Capital, Vietnam

[Brian Inglis]

On 2019-02-19 00:53, Guy Harris wrote:
> On Feb 18, 2019, at 9:47 PM, Kevin Lyda <kevin at ie.suberic.net> wrote:
>> By populations...
>> % ls /usr/share/zoneinfo/America/|wc -l
>>     144
>> % ls /usr/share/zoneinfo/Asia/|wc -l
>>      99
>> Asia has around 59% of the world's population in 48 countries; the
>> Americas have 14% in 35 countries. Seems quite possible there's scope
>> to improve things in Asia.
> Yes, Asia could split itself into more countries, for example....
> Or perhaps Asian countries are not as crazy as Western Hemisphere countries 
> about doing silly things with summer/daylight savings time rules:
> 	$ egrep '^Rule' northamerica southamerica | wc -l
> 	     610
> 	$ egrep '^Rule' asia | wc -l
> 	     463
> or about having multiple zones per country (China has two, the contiguous 48 
> states of the US has four plus various random places that don't do DST):
> 	$ egrep '^Zone' northamerica southamerica | wc -l
> 	     140
> 	$ egrep '^Zone' asia | wc -l
> 	      61
> I.e., having a lot of stuff in the tzdb for your continent could be
> considered a bug rather than a feature; that is *not* necessarily a sign that
> the tzdb doesn't do a good enough job of covering your continent, it may be
> just a sign that your continent doesn't impose as much of a burden on the
> tzdb....

...also the tzdb requires a documentary reference source for time zone history -
someone to translate that into English - and post it to this list - finding the
former - doing the latter - and posting it here - seems to be a barrier -
perhaps due to language - perhaps lack of interest, involvement, skills to
address the issue, or the combination thereof leading to finding this list?

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

This email may be disturbing to some readers as it contains
too much technical detail. Reader discretion is advised.